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Finding the Fourth Proportional to 12,173,325,116.40, 18,259,987,674.60 and 12,173,325,116.40

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Solution

The fourth proportional to 12,173,325,116.40, 18,259,987,674.60 and 12,173,325,116.40 is: 18,259,987,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173,325,116.40 : 18,259,987,674.60 = 12,173,325,116.40 : x
  2. Step 2: Convert to fraction form
    12,173,325,116.40/18,259,987,674.60 = 12,173,325,116.40/x
  3. Step 3: Cross multiply
    12,173,325,116.40x = 18,259,987,674.60 × 12,173,325,116.40
  4. Step 4: Simplify right side
    12,173,325,116.40x = 222,284,766,584,362,598,400
  5. Step 5: Solve for x
    x = 222,284,766,584,362,598,400/12,173,325,116.40
  6. Step 6: Final answer
    x = 18,259,987,674.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.